How Do You Design a Cascade Cooler for an Air Separation Plant?

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SUMMARY

The discussion focuses on designing a Cascade Cooler for an Air Separation Plant, specifically for cooling air before it enters a chilling unit. The cooler utilizes dry nitrogen (N2) to cool water within a tank, which subsequently cools the air flowing through coils inside the tank. Key design considerations include the dimensions of the tank (height, thickness, width, and base), the specifications of the coils (outer diameter, inner diameter, length, and number of turns), and the design of flanges, although the latter is deemed less critical. The participants seek guidance on the design procedure and relevant resources.

PREREQUISITES
  • Understanding of thermodynamics related to cooling systems
  • Familiarity with fluid dynamics, particularly in gas-liquid interactions
  • Knowledge of mechanical design principles for tanks and heat exchangers
  • Experience with engineering design software for modeling and simulations
NEXT STEPS
  • Research the design principles of heat exchangers, focusing on Cascade Coolers
  • Study the properties and handling of dry nitrogen in cooling applications
  • Learn about the calculations for coil design, including heat transfer coefficients
  • Explore engineering software tools for simulating thermal dynamics in cooling systems
USEFUL FOR

Mechanical engineering students, design engineers, and professionals involved in the development of cooling systems for air separation processes.

Navnath
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Hi Experts :smile:

Finally I think I found the correct space to assist me from experts.

I need urgent help from u pp about the Cascade Cooler.

We r doing a project in our college as final year BE, Mechanical students in India. We have choosen to Design the Cascade cooler which is used in Air separation (Oxygen/Nitrogen) Plant before a Chilling Unit.

This cascade cooler uses dry N2 to cool the water which is already inside the tank then this cooled water cools the air which flowing through the coil placed inside the tank. See below:

http://www.geocities.com/kale_nav/Image.JPG

This is a Cascade Cooler tank

http://www.geocities.com/kale_nav/used4.jpg
in actual use

N2 comes from top left yellow pipe and after entering second side taken out from right yallow pipe.

Now what we want is its design procedure
1. Design of tank (h,t,w,b)
2. Design of coils (D outer, D inside, L, No of turns)
3. Design of Flanges (Not imp, but 1 and 2 r imp)

Pls if know something abt it pls give link here or post it here

Thx.
 
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